.backend {
  display: flex;
  height: 100%;
  background: #fff;
  .left-tree {
    width: 300px;
    overflow: auto;
  }
  .json {
    flex: 1;
    overflow: scroll;
    overflow-x: hidden;
    height: 100%;
    word-break: break-all;
    pre {
      height: 100%;
      overflow-x: auto;
      font-size: 16px;
      line-height: 1.5;
      color: #fff;
      background: #000;
      padding: 16px;
      border-radius: 4px;
    }
  }
}
